34561443131 has 4 divisors (see below), whose sum is σ = 34561845912. Its totient is φ = 34561040352.

The previous prime is 34561443101. The next prime is 34561443149. The reversal of 34561443131 is 13134416543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13134416543 = 41 ⋅320351623.

It is a cyclic number.

It is not a de Polignac number, because 34561443131 - 2⁶ = 34561443067 is a prime.

It is a super-2 number, since 2×34561443131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34561443091 and 34561443100.

It is not an unprimeable number, because it can be changed into a prime (34561443101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15461 + ... + 263366.

It is an arithmetic number, because the mean of its divisors is an integer number (8640461478).

Almost surely, 2^34561443131 is an apocalyptic number.

34561443131 is a deficient number, since it is larger than the sum of its proper divisors (402781).

34561443131 is a wasteful number, since it uses less digits than its factorization.

34561443131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402780.

The product of its digits is 51840, while the sum is 35.

Adding to 34561443131 its reverse (13134416543), we get a palindrome (47695859674).

The spelling of 34561443131 in words is "thirty-four billion, five hundred sixty-one million, four hundred forty-three thousand, one hundred thirty-one".